foregone conclusion
US /fɔːrˈɡɔːn kənˈkluːʒən/
UK /fɔːrˈɡɔːn kənˈkluːʒən/

1.
предрешенный исход, решенный вопрос
a result that is obvious from the start or that can be predicted with certainty
:
•
The election result was a foregone conclusion long before the votes were counted.
Результат выборов был предрешен задолго до подсчета голосов.
•
With their star player injured, their defeat was a foregone conclusion.
С травмой их звездного игрока их поражение было предрешено.